Finding the Fourth Proportional to 197,183.07, 272,112.63 and 106,539.06
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Solution
The fourth proportional to 197,183.07, 272,112.63 and 106,539.06 is: 147,023.90
Step by Step Solution
- Step 1: Write the proportion equation
197,183.07 : 272,112.63 = 106,539.06 : x - Step 2: Convert to fraction form
197,183.07/272,112.63 = 106,539.06/x - Step 3: Cross multiply
197,183.07x = 272,112.63 × 106,539.06 - Step 4: Simplify right side
197,183.07x = 28,990,623,814.33 - Step 5: Solve for x
x = 28,990,623,814.33/197,183.07 - Step 6: Final answer
x = 147,023.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.